Home / 301,210.50-451,528.71-101,428.05

Finding the Fourth Proportional to 301,210.50, 451,528.71 and 101,428.05

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Solution

The fourth proportional to 301,210.50, 451,528.71 and 101,428.05 is: 152,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,210.50 : 451,528.71 = 101,428.05 : x
  2. Step 2: Convert to fraction form
    301,210.50/451,528.71 = 101,428.05/x
  3. Step 3: Cross multiply
    301,210.50x = 451,528.71 × 101,428.05
  4. Step 4: Simplify right side
    301,210.50x = 45,797,676,574.32
  5. Step 5: Solve for x
    x = 45,797,676,574.32/301,210.50
  6. Step 6: Final answer
    x = 152,045.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.